Table 2 shows UK sales of a particular model of car over three years (figures in...

 

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Table 2 shows UK sales of a particular model of car over three years (figures in 100,000 units). Quarter 1 2 3 4 2018 66 106 140 82 2019 73 119 165 91 2020 85 130 205 100 a) Use the technique of moving averages to find values for the trend component (T). b) Plot the original data and your trend values on a scatter diagram. Table 2 shows UK sales of a particular model of car over three years (figures in 100,000 units). Quarter 1 2 3 4 2018 66 106 140 82 2019 73 119 165 91 2020 85 130 205 100 a) Use the technique of moving averages to find values for the trend component (T). b) Plot the original data and your trend values on a scatter diagram.